<div class="navbar navbar-app navbar-absolute-top">
    <div class="btn-group pull-left">
        <div ng-click="takePhoto()" class="btn btn-navbar">
            <i class="fa fa-bars"></i> 再拍
        </div>
    </div>
    <div class="btn-group pull-right">
        <div ng-click="savePreview()" class="btn btn-navbar">
            <i class="fa fa-comment"></i> 儲存
        </div>
    </div>
</div>
<div id="photoPreview_div" style="width:80%;height:80%;margin:auto auto;">
    <img id="photoPreviewImg" ng-src=""/>
</div>